Now showing items 1-10 of 2
H alpha line (2) |
Visible spectrum (2) |
Astronomical spectroscopy (1) |
Balmer series (1) |
Emission spectra (1) |
Magellanic clouds (1) |
Metallicity (1) |
Novae (1) |
Optical measurement (1) |
Radial velocity (1) |
Now showing items 1-10 of 2